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Light Harvesting by Lamellar Chromatophores in Rhodospirillum photometricum

Abstract : Purple photosynthetic bacteria harvest light using pigment-protein complexes which are often arranged in pseudo-organelles called chromatophores. A model of a chromatophore from Rhodospirillum photometricum was constructed based on atomic force microscopy data. Molecular-dynamics simulations and quantum-dynamics calculations were performed to characterize the intercomplex excitation transfer network and explore the interplay between close-packing and light-harvesting efficiency.
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Danielle Chandler, Johan Strümpfer, Melih Sener, Simon Scheuring, Klaus Schulten. Light Harvesting by Lamellar Chromatophores in Rhodospirillum photometricum. Biophysical Journal, Biophysical Society, 2014, 106, pp.2503-2510. ⟨10.1016/j.bpj.2014.04.030⟩. ⟨inserm-01356868⟩



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